n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 14 |
4 | 43 |
5 | 124 |
6 | 352 |
7 | 1025 |
8 | 2977 |
9 | 8619 |
10 | 24982 |
11 | 72411 |
12 | 209844 |
13 | 608174 |
14 | 1762633 |
15 | 5108427 |
16 | 14805217 |
17 | 42908476 |
18 | 124357153 |
19 | 360411436 |
20 | 1044543248 |
21 | 3027291501 |
22 | 8773685473 |
23 | 25427864489 |
24 | 73694947188 |
25 | 213582435997 |
26 | 619003863520 |
[1,5,14,43,124,352,1025,2977,8619,24982,72411, 209844,608174,1762633,5108427,14805217,42908476, 124357153,360411436,1044543248,3027291501, 8773685473,25427864489,73694947188,213582435997, 619003863520] |